associate one page with a category

I see from reading the wordpress codex that pages

do not cycle through your blog’s main page, nor can they be associated with Categories.

However, I have a page with a list of books already read as well as the one(s) I am currently reading that I would like to be associated with my “books” category. Is there a way that I can override this wordpress rule for this one page and get it to be associated with the “books” category?

Alternatively, I could create a post but would want to ensure that the date would not appear.

Any ideas on where I should look to find out how to do this would be most welcome. (I am not a programmer and only know enough about php to get myself in trouble.)